package add;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * @projectName: JUC
 * @package: add
 * @className: CyclicBarrierDemo
 * @author: 冷环渊 doomwatcher
 * @description: TODO
 * @date: 2022/3/2 14:03
 * @version: 1.0
 */
public class CyclicBarrierDemo {
    public static void main(String[] args) {
        /*集齐七龙珠 召唤神龙
         * 召唤龙珠线程
         * Cyclicbarrier 是函数式接口 ，所以我们可以直接用 lamba
         * */
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, () -> {
            System.out.println("召唤神龙成功");
        });

        for (int i = 1; i <= 7; i++) {
            final int temp = i;
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName() + "收集" + temp + "个龙珠");
                //等待
                try {
                    cyclicBarrier.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            }, String.valueOf(i)).start();
        }
    }
}
